ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ................................................ Modified Octagon, Step Cut
Measurements ....................................................................... 11.43 x 8.14 x 5.46 mm
Carat Weight ...................................................................................................... 5.31 Carat
Color ...................................................................................... Vivid/Deep Blue (Purplish)
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Color Quality Grade .......................................................................... Fine Color Quality
Suggested Origin ................................................................................................. Tanzania
COMMENTS
Tanzanite is commonly heated at low temperature to improve its color.
There is currently no scientific method available to determine whether this
gemstone has been enhanced or not.
Minor amount of oil in fissures.
Oiling has become a common practice in trade for many gemstones. This
enhancement is reversible at any time.
12 August, 2024
79264735

Seller's Story

Euro Cliff is closed for (Summer Holidays 01.08.2024 - 10.09.2024, Last shipment dispatch 31.07.2024)

ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ................................................ Modified Octagon, Step Cut
Measurements ....................................................................... 11.43 x 8.14 x 5.46 mm
Carat Weight ...................................................................................................... 5.31 Carat
Color ...................................................................................... Vivid/Deep Blue (Purplish)
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Color Quality Grade .......................................................................... Fine Color Quality
Suggested Origin ................................................................................................. Tanzania
COMMENTS
Tanzanite is commonly heated at low temperature to improve its color.
There is currently no scientific method available to determine whether this
gemstone has been enhanced or not.
Minor amount of oil in fissures.
Oiling has become a common practice in trade for many gemstones. This
enhancement is reversible at any time.
12 August, 2024
79264735

Seller's Story

Euro Cliff is closed for (Summer Holidays 01.08.2024 - 10.09.2024, Last shipment dispatch 31.07.2024)
Lab report number
79264735
Nr of stones
1
Gemstone type
Tanzanite
Total carat weight
5.31
Gemstone colour
Blue
Transparency
Transparent
Treatment
Commonly heated with no evidence of treatment
Laboratory Report
Antwerp Laboratory for Gemstone Testing (ALGT)
Sealed by laboratory
No
Shape
Octagon

1563 reviews (546 in last 12 months)
  1. 508
  2. 33
  3. 5

Alles bestens - schnelle Lieferung - gerne jederzeit wieder - dankschön

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user-dc4d554b98d5

Muy contento con la compra. El vendedor muy atento.

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user-b5d75cca758f

Splendides. Des gemmes de très belles qualités.

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malfroy

Danke, interessanter Stein, sicher verpackt

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user-07fdd6942440

The diamond is not the yellow colour that we expected from the foto’s. More a greyish-brown with a yellow hint. Still nice, but not what we expected.

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user-1881e9672c85

l'objet correspond exactement aux informations.

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user-4e78081c01d8

super, conforme à la description,je recommande vivement ce vendeur,top🙏

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user-f7a2c033db28

.....Oggetto come descrizione, Soddisfatto sia dell' Acquisto che del Venditore che Attento Vs Acquirente e Imballaggio molto Curato e x la Velocità x fare il Tutto. ⭐⭐⭐⭐⭐

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user-7147738

Conforme aux descriptions avec envoi rapide et soigné .

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user-3cecd89f3663

Gli ho mandato un messaggio chiedendo quando avrebbe spedito, già in ritardo, e mi ha detto che lo avrebbe fatto il 9 (due giorni dopo)...arrivati al 10 ottobre ha deciso di non spedire più.

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user-21f096a1816e
Seller's response

Regret to inform that this Stone was already sold in Catawiki Auctions and by mistake was listed again, hence unable to dispatch.

Wie auf dem Foto. Kommunikation dachte ich wäre schlecht, aber ich habe auch samstags die Nachricht geschickt. bekam aber Montag die Antwort. Also sehr gut. Danke nochmals.

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user-2fdff6e72cbe

Everything was ok. I recommend rhis seller.

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user-bb8b465cfc2a

Foarte multumit de piatra cumparata si de experienta avuta cu vanzatorul.

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user-4d4dc2a0a77b

Très bon lot livraison retarder

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user-678abc896eeb

oggetto come da descrizione, venditore puntuale nella spedizione, AAAA

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user-09e76b3
View all reviews

1563 reviews (546 in last 12 months)
  1. 508
  2. 33
  3. 5

Alles bestens - schnelle Lieferung - gerne jederzeit wieder - dankschön

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user-dc4d554b98d5

Disclaimer

Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.

Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.